适应性生物活性纳米系统用于使用传统制药的协同心肌梗塞治疗
Shuai Mao1, Yubin Liang1, Zikang Chen2
1State KeyLaboratory ofTraditional Chinese MedicineSyndrome/Department of Critical Care Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China.
Bioactive materials
|September 24, 2025
概括
一种针对中性粒细胞的新型纳米药物 (TF-5NP) 在心肌梗塞 (MI) 后有效地将Tanshinone IIA和formononetin输送到心脏. 这种方法减轻损伤,减少炎症,改善心脏功能,为心力衰竭提供了有前途的治疗方法.
科学领域:
- 心血管医学 心血管医学
- 纳米医学是一种纳米医学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 心肌梗塞 (MI) 导致心力衰竭和不适应性心室重塑,目前的疗法提供不完全的恢复.
- 传统中医药的化合物,坦辛二甲 (TIIA) 和福莫诺尼丁 (FM),具有抗氧化,抗炎和益血管性质.
- 开发有针对性的输送系统可以提高这些化合物的治疗疗效,治疗心血管疾病.
研究的目的:
- 开发一种针对中性粒细胞的纳米药物 (TF-5NP),用于将TIIA和FM输送到心肌梗塞.
- 评估TF-5NP在减轻氧化损伤,减少炎症和促进MI后血管生成方面的疗效.
- 在猪MI模型中评估TF-5NP在改善心脏功能和预防不适应性重塑方面的治疗潜力.
主要方法:
- TF-5NP是通过联合组装修改脂质和胆固醇来合成的,其中包括TIIA和FM.
- 该纳米药物旨在向中性粒细胞,并在心肌梗塞中与肌素结合.
- 在猪心肌梗塞模型中研究了治疗效果,大约在28天内评估心脏功能和组织损伤.
主要成果:
- TF-5NP成功地将TIIA和FM传递给心肌梗塞,向中性粒细胞.
- 与对照组相比,使用TF-5NP治疗显著降低了炎症和心肌细胞损伤.
- 在猪MI模型中观察到心脏功能改善和不适应性重塑的缓解,持续效果大约为28天.
结论:
- 针对中性粒细胞的TF-5NP是一种有前途的纳米药物,用于输送TIIA和FM治疗心肌梗塞后心力衰竭.
- 这种方法有效地减轻心脏损伤,并通过减少炎症和氧化应激减轻恢复.
- TF-5NP在患有心力衰竭后心脏病发作的患者中显示出改善治疗结果的巨大潜力.
相关概念视频
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
936
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
936
01:26Heart Failure Drugs: Inotropic Agents
1.2K
Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
1.2K
01:16Antianginal Drugs: Nitrates and β-Blockers
1.4K
In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
1.4K
01:28Acute Coronary Syndrome IV: Interprofessional Care
220
IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
220
01:25Antianginal Drugs: Calcium Channel Blockers and Ranolazine
1.3K
Angina pectoris, a primary symptom of ischemic heart disease, requires careful pharmacological interventions. In this context, calcium channel blockers (CCBs) and ranolazine have emerged as crucial pharmacotherapeutic agents, providing deep insights into the complexities of angina management.
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
1.3K
01:14Myocarditis III: Medical Management
175
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
175